{"id":5325,"date":"2026-06-09T10:40:10","date_gmt":"2026-06-09T10:40:10","guid":{"rendered":"https:\/\/materialparts.com\/sn74ahc594pwr\/"},"modified":"2026-06-09T10:40:10","modified_gmt":"2026-06-09T10:40:10","slug":"sn74ahc594pwr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/sn74ahc594pwr\/","title":{"rendered":"SN74AHC594PWR"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

SN74AHC594PWR from TI is an 8-bit shift register with output latch. 2-5.5V. Direct clear. Separate clock for shift and output registers. TSSOP-16.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Serial-in\/parallel-out shift register with separate output latch. SRCLK shifts data, RCLK latches to output. SRCLR clears shift register. Direct clear on output register. Cascade via Q7S. 2-5.5V AHC family.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
14<\/td>\nSER<\/td>\nSerial data in<\/td>\n<\/tr>\n
11<\/td>\nSRCLK<\/td>\nShift register clock<\/td>\n<\/tr>\n
12<\/td>\nRCLK<\/td>\nOutput register clock<\/td>\n<\/tr>\n
10<\/td>\nSRCLR<\/td>\nShift register clear<\/td>\n<\/tr>\n
13<\/td>\nOE<\/td>\nOutput enable<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • LED display driving<\/li>\n
  • GPIO expansion<\/li>\n
  • Cascaded output control<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    \u5236\u9020\u5546<\/th>\n\u90e8\u4ef6\u7f16\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    TI<\/td>\nSN74AHC595PWR<\/td>\nStandard 595 variant<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview SN74AHC594PWR from TI is an 8-bit shift register with output latch. 2-5.5V. Direct clear. Separate clock for shift and output registers. TSSOP-16. Working Principle Serial-in\/parallel-out shift register with separate output latch. SRCLK shifts data, RCLK latches to output. SRCLR clears shift register. Direct clear on output register. Cascade via Q7S. 2-5.5V AHC family. […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"chip_brand":[138],"class_list":["post-5325","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"8-bit shift register with output latch, TSSOP-16","date_code":"","package_case":"TSSOP-16 (5.0 x 4.4 x 0.9mm)","in_stock":11860,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn74ahc594.pdf","price":"$0.50 @ 1ku","product_introduction":"SN74AHC594PWR from TI is an 8-bit shift register with output latch. 2-5.5V. Direct clear. Separate clock for shift and output registers. TSSOP-16.","working_principle":"Serial-in\/parallel-out shift register with separate output latch. SRCLK shifts data, RCLK latches to output. SRCLR clears shift register. Direct clear on output register. Cascade via Q7S. 2-5.5V AHC family.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    14<\/td>SER<\/td>Serial data in<\/td><\/tr>
    11<\/td>SRCLK<\/td>Shift register clock<\/td><\/tr>
    12<\/td>RCLK<\/td>Output register clock<\/td><\/tr>
    10<\/td>SRCLR<\/td>Shift register clear<\/td><\/tr>
    13<\/td>OE<\/td>Output enable<\/td><\/tr><\/table>","application_scenarios":"
    • LED display driving<\/li>
    • GPIO expansion<\/li>
    • Cascaded output control<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      TI<\/td>SN74AHC595PWR<\/td>Standard 595 variant<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5325"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5325\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5325"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}